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Revert "cpusets: randomize node rotor used in cpuset_mem_spread_node()"

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This reverts commit 0ac0c0d0f8, which
caused cross-architecture build problems for all the wrong reasons.
IA64 already added its own version of __node_random(), but the fact is,
there is nothing architectural about the function, and the original
commit was just badly done. Revert it, since no fix is forthcoming.

Requested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2010-05-30 09:00:03 -07:00
parent b612a05537
commit 35926ff5fb
5 changed files with 1 additions and 31 deletions
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4
kernel/fork.c
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@ -1086,10 +1086,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
}
mpol_fix_fork_child_flag(p);
#endif
#ifdef CONFIG_CPUSETS
p->cpuset_mem_spread_rotor = node_random(p->mems_allowed);
p->cpuset_slab_spread_rotor = node_random(p->mems_allowed);
#endif
#ifdef CONFIG_TRACE_IRQFLAGS
p->irq_events = 0;
#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW